方法1:
CGRectlabelsize =[@"门店已接单，用户取消订单"boundingRectWithSize:CGSizeMake(SCREEN_WIDTH-150,2000)options:NSStringDrawingUsesLineFragmentOrigin|NSStringDrawingUsesFontLeadingattributes:@{NSFontAttributeName:Font(14)}context:nil];
state= [[UILabelalloc]initWithFrame:CGRectMake(CGRectGetMaxX(pate.frame) +6,10, labelsize.size.width,14)];
方法2:
- (void)viewDidLoad {
[super viewDidLoad];
//获取字符串的宽度
NSLog(@"获得字符串的宽度:%f",[self widthForString:@"我爱你！我爱你！我爱你！我爱你！我爱你！我爱你！我爱你！我爱你！"fontSize:10.0 andHeight:10.0]);
//获取字符串的高度
NSLog(@"获得字符串的宽度:%f",[self heightForString:@"我爱你！我爱你！我爱你！我爱你！我爱你！我爱你！我爱你！我爱你！"fontSize:10.0 andWidth:10.0]);
}
#pragma -mark -functions
//获取字符串的宽度
-(float) widthForString:(NSString *)value fontSize:(float)fontSize andHeight:(float)height
{
CGSize sizeToFit = [value sizeWithFont:[UIFont systemFontOfSize:fontSize] constrainedToSize:CGSizeMake(CGFLOAT_MAX, height) lineBreakMode:NSLineBreakByWordWrapping];//此处的换行类型（lineBreakMode）可根据自己的实际情况进行设置
returnsizeToFit.width;
}
//获得字符串的高度
-(float) heightForString:(NSString *)value fontSize:(float)fontSize andWidth:(float)width
{
CGSize sizeToFit = [value sizeWithFont:[UIFont systemFontOfSize:fontSize] constrainedToSize:CGSizeMake(width, CGFLOAT_MAX) lineBreakMode:NSLineBreakByCharWrapping];//此处的换行类型（lineBreakMode）可根据自己的实际情况进行设置
returnsizeToFit.height;
}
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